123011102443 has 2 divisors, whose sum is σ = 123011102444. Its totient is φ = 123011102442.

The previous prime is 123011102381. The next prime is 123011102447. The reversal of 123011102443 is 344201110321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123011102443 is a prime.

It is not a weakly prime, because it can be changed into another prime (123011102447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505551221 + 61505551222.

It is an arithmetic number, because the mean of its divisors is an integer number (61505551222).

Almost surely, 2^123011102443 is an apocalyptic number.

123011102443 is a deficient number, since it is larger than the sum of its proper divisors (1).

123011102443 is an equidigital number, since it uses as much as digits as its factorization.

123011102443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123011102443 its reverse (344201110321), we get a palindrome (467212212764).

The spelling of 123011102443 in words is "one hundred twenty-three billion, eleven million, one hundred two thousand, four hundred forty-three".